On many systems the frame-buffer is unsecured by default; this permits
anyone who can log into your workstation to peek at your windowing session by
accessing the frame-buffer directly, or, as less of a privacy issue but perhaps
more annoying, to [accidentally] start up a second X session on your console
display. Check the man page for fbtab(5).
[Thanks to Art Mulder (art@cs.ualberta.ca); 2/93.]

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